diff --git a/testdata/dot-ref/ViewProduct.dot b/testdata/dot-ref/ViewProduct.dot
index 3d0e21e..2ee8e44 100644
--- a/testdata/dot-ref/ViewProduct.dot
+++ b/testdata/dot-ref/ViewProduct.dot
@@ -7,10 +7,12 @@
 digraph G {
 	edge [fontname="Helvetica",fontsize=10,labelfontname="Helvetica",labelfontsize=10];
 	node [fontname="Helvetica",fontsize=10,shape=plaintext];
+	nodesep=0.25;
+	ranksep=0.5;
 	// gr.spinellis.basic.product.Product
-	c129 [label=<<table border="0" cellborder="1" cellspacing="0" cellpadding="2" port="p"><tr><td><table border="0" cellspacing="0" cellpadding="1"><tr><td align="center" balign="center"> Product </td></tr></table></td></tr><tr><td><table border="0" cellspacing="0" cellpadding="1"><tr><td align="left" balign="left">  name </td></tr><tr><td align="left" balign="left">  stock </td></tr><tr><td align="left" balign="left">  price </td></tr><tr><td align="left" balign="left">  category </td></tr></table></td></tr></table>>, fontname="Helvetica", fontcolor="black", fontsize=10.0];
+	c129 [label=<<table title="gr.spinellis.basic.product.Product" border="0" cellborder="1" cellspacing="0" cellpadding="2" port="p"><tr><td><table border="0" cellspacing="0" cellpadding="1"><tr><td align="center" balign="center"> Product </td></tr></table></td></tr><tr><td><table border="0" cellspacing="0" cellpadding="1"><tr><td align="left" balign="left">  name </td></tr><tr><td align="left" balign="left">  stock </td></tr><tr><td align="left" balign="left">  price </td></tr><tr><td align="left" balign="left">  category </td></tr></table></td></tr></table>>, fontname="Helvetica", fontcolor="black", fontsize=10.0];
 	// gr.spinellis.basic.product.Category
-	c130 [label=<<table border="0" cellborder="1" cellspacing="0" cellpadding="2" port="p"><tr><td><table border="0" cellspacing="0" cellpadding="1"><tr><td align="center" balign="center"> Category </td></tr></table></td></tr><tr><td><table border="0" cellspacing="0" cellpadding="1"><tr><td align="left" balign="left">  name </td></tr><tr><td align="left" balign="left">  products </td></tr></table></td></tr></table>>, fontname="Helvetica", fontcolor="black", fontsize=10.0];
+	c130 [label=<<table title="gr.spinellis.basic.product.Category" border="0" cellborder="1" cellspacing="0" cellpadding="2" port="p"><tr><td><table border="0" cellspacing="0" cellpadding="1"><tr><td align="center" balign="center"> Category </td></tr></table></td></tr><tr><td><table border="0" cellspacing="0" cellpadding="1"><tr><td align="left" balign="left">  name </td></tr><tr><td align="left" balign="left">  products </td></tr></table></td></tr></table>>, fontname="Helvetica", fontcolor="black", fontsize=10.0];
 	// gr.spinellis.basic.product.Product ASSOC gr.spinellis.basic.product.Category
 	c129:p -> c130:p [taillabel="*", label="", headlabel="1", fontname="Helvetica", fontcolor="black", fontsize=10.0, color="black", arrowhead=none];
 }